第 37 卷第 4 期 |  | Vol. 37 No. 4 | 2007 年 8 月 | Aug 2007 |
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所屬欄目:染料、顏料及涂料
間硝基苯甲醛的合成工藝研究 |
刁春莉,程廣斌,呂春緒
(南京理工大學(xué)化工學(xué)院,南京 210094) |
摘 要:以間硝基甲苯為原料,以AIBN(偶氮二異丁腈)為催化劑合成間硝基苯甲醛。在n(間硝基甲苯) ∶ n(氯溴酸) ∶ n(雙氧水)=1 ∶ 3 ∶ 3,溴化溫度65~75℃,溴化時(shí)間8~9 h,氧化水解時(shí)間在8 h的優(yōu)化條件下,產(chǎn)品收率30.4%,純度99.2%。 |
關(guān)鍵詞:間硝基甲苯;間硝基苯甲醛;催化溴化;氧化水解 |
中圖分類(lèi)號:TQ244.1 文獻標識碼:A 文章編號:1009-9212(2007)04- 0041-03 |
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Study on the Sythesis of 3-Nitrobenzaldehyde |
DIAO Chun-li,CHENG Guang-bin,LU Chun-xu
(School of Chemical Engineering,Nanjing University of Science and Technology,Nanjing 210094,Nanjing,China) |
Abstract:3-Nitrobenzaldehyde was prepared from 3-nitrotoluene using AIBN as catalyst through bromination,hydration and oxidation. The yield and purity of 3-nitrobenzaldehyde was 30.4% and 99.2% under the optimum reaction conditions,n(3-nitrotoluene) ∶ n(hydrogen bromide) ∶ n(hydrogen peroxide) was 1 ∶ 3 ∶ 3,the bromination temperation was 65~75℃,the bromination time was 8~9 h,hydrolysis and oxidation time was 8 h. |
Key words:3-nitrotoluene;3-nitrobenzaldehyde;catalytic bromination;oxidation hydrolysis |
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作者簡(jiǎn)介:刁春莉(1981-),女,江蘇徐州人,碩士研究生,研究方向:精細化工中間體的合成。(E-mail:diaoxue0408@yahoo.com.cn)
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聯(lián) 系 人:程廣斌(1967-),男,副教授,博士,研究方向:主要從事精細化工產(chǎn)品的綠色合成化學(xué)和工藝學(xué)方面的研究。
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收稿日期:2007-06-18
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